Trapped and hunted on Fathom's North platform, Sarah Klayton and Agent Blayne are faced with a difficult choice: escape while they can...or enact a desperate plan to destroy Mack before he can do more damage. And with the death of Joe Freeman still fresh in her mind, Sarah finds walking away, even if it means survival, a very difficult decision to make.  FATHOM is created, written, and directed by J. Barton Mitchell; produced by Elizabeth Laidlaw, Kirsten Rudberg and Thomas Barker; features original music by Makeup and Vanity Set, Luke Atencio, Ryan Taubert, and Chris Coleman; sound design and editing by J. Barton Mitchell; additional sound design by Music Radio Creative.  Cast: Dani Payne - SARAH KLAYTON; Michael Mau - BLAYNE; Eli Goodman - JOE FREEMAN.